Home / 1,351,324.43-1,864,827.89-739,477.33

Finding the Fourth Proportional to 1,351,324.43, 1,864,827.89 and 739,477.33

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Solution

The fourth proportional to 1,351,324.43, 1,864,827.89 and 739,477.33 is: 1,020,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,324.43 : 1,864,827.89 = 739,477.33 : x
  2. Step 2: Convert to fraction form
    1,351,324.43/1,864,827.89 = 739,477.33/x
  3. Step 3: Cross multiply
    1,351,324.43x = 1,864,827.89 × 739,477.33
  4. Step 4: Simplify right side
    1,351,324.43x = 1,378,997,949,006.73
  5. Step 5: Solve for x
    x = 1,378,997,949,006.73/1,351,324.43
  6. Step 6: Final answer
    x = 1,020,478.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.